Description: This digital mixer is capable of adjusting keynote and mixing sound, giving out different stereo signals to achieve a super powerful musical rhythm. 3-channel RCA input, 1-channel microphone input and 1-channel RCA output allow you to create more shocking music. Furthermore, each input channel can be adjusted volume individually, which makes music rhythm control easier for better sound effect. Features: Multi-channel Input & Output - 3-channel RCA input, 1-channel microphone input and 1-channel RCA output help make music rhythm more shocking. Independent Volume Adjustment - Each input channel can be adjusted volume individually, which makes you control music rhythm more conveniently and create more shocking sound. Noise Cancelling Sound - High signal to noise ratio that higher than 90dB makes sure a super clear sound. High Gain - Channel 1 gains 32dB, and channel 2, gains 26dB and channels 3, 4 gain 26dB. Makes music clearer and louder. Wide Compatibility - This Mini Karaoke Mixer is suitable for TV/phone/MP3/Mac Mini/PS3/Xbox/FM Tuner/Phono Player, Amazon Echo Dot and microphone input. Specifications: Product type: Mini Karaoke Mixer Input: 3-channel RCA input, 1-channel microphone input Output: 1-channel RCA output Gain: Channel 1 gain: 32 dB XLR jack Channel 2 gain: 26 dB Channel 3, 4 gain: 26 dB Signal to noise ratio: >90 dB THD: